PDF static analysis report

Static analysis result for SHA-256 52dcc7f641f43418…

SUSPICIOUS

PDF

44.2 KB Created: 2021-05-16 12:23:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ca4f91e4c3940cba194b1371711ad431 SHA-1: c639ae5ee62f51c014ffe362bb74784b449161a7 SHA-256: 52dcc7f641f43418c6c7d3ee66471ab33510c133ae76c34cdd59f9896a5c37b8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that explicitly mentions 'Coin Master 2021 Free Spins' and 'free Robux', indicating a lure for game-related cheats or hacks. The presence of external URIs and the ML classifier firing strongly suggest malicious intent, likely to redirect users to sites hosting malware or phishing content. No scripts were extracted, but the document's structure and content point towards a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 3

  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/406889139/coin-master-2021-free-spins-game-hack PDF link annotation
    • http://serviio.org/images/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-gratis_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/coin-master-free-gold-cards-link_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/coin-master-35-13-hack-download_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-robux-quiz_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/abd-roblox_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-win_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-com-free_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/do-robux-generators-work_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046cc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46CC 24384 bytes
SHA-256: 5b1ca3c81ba13590d0206ccb8ee07745858707211fc39c023b86a64e47f8223b
font_01_sfnt_off00007f0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F0A 3124 bytes
SHA-256: 9967c6221325a4ff3f7c4336922605f990450164c2eee2df708cc81823c6ec98
font_02_sfnt_off000089e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89E8 18288 bytes
SHA-256: 512188fbd9df787eb973cc190579836d1eec1c2cf91c6a5c2e6dbe230c0a69fa

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